1 // Copyright 2016 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef MOJO_CORE_PORTS_PORT_REF_H_ 6 #define MOJO_CORE_PORTS_PORT_REF_H_ 7 8 #include "base/component_export.h" 9 #include "base/logging.h" 10 #include "base/memory/ref_counted.h" 11 #include "mojo/core/ports/name.h" 12 13 namespace mojo { 14 namespace core { 15 namespace ports { 16 17 class Port; 18 class PortLocker; 19 20 class COMPONENT_EXPORT(MOJO_CORE_PORTS) PortRef { 21 public: 22 ~PortRef(); 23 PortRef(); 24 PortRef(const PortName& name, scoped_refptr<Port> port); 25 26 PortRef(const PortRef& other); 27 PortRef(PortRef&& other); 28 29 PortRef& operator=(const PortRef& other); 30 PortRef& operator=(PortRef&& other); 31 32 const PortName& name() const { return name_; } 33 34 bool is_valid() const { return !!port_; } 35 36 private: 37 friend class PortLocker; 38 39 Port* port() const { return port_.get(); } 40 41 PortName name_; 42 scoped_refptr<Port> port_; 43 }; 44 45 } // namespace ports 46 } // namespace core 47 } // namespace mojo 48 49 #endif // MOJO_CORE_PORTS_PORT_REF_H_ 50
